Horst Griesser, MD
NPI 1336158849 · Emergency Medicine Physician · Detroit, MI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Horst Griesser, MD is a Emergency Medicine Physician provider in Detroit, MI (NPI 1336158849).
Provider details
- NPI number
- 1336158849
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301060251 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
148 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 32 | $91 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 30 | $113 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 27 | $126 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 18 | $169 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 17 | $16 |
| X-Ray of Lower and Sacral Spine, 2-3 Views72100 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methylprednisolone | 60 | 59 |
| Azithromycin | 51 | 50 |
| Cefdinir | 38 | 38 |
| Cephalexin | 24 | 22 |
| Doxycycline Hyclate | 21 | 19 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 20 | 14 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 17 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$134 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-05
- Last updated
- 2018-07-16
Frequently asked questions
- What is Horst Griesser's NPI number?
- Horst Griesser's National Provider Identifier (NPI) is 1336158849, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Horst Griesser's specialty?
- Horst Griesser is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Horst Griesser located?
- Horst Griesser's practice location on file with NPPES is 4646 John R St, Detroit, MI 48201.
- What is Horst Griesser's phone number?
- The practice phone number listed in the NPPES registry for Horst Griesser is (313) 576-3724.
- Does Horst Griesser accept Medicare?
- Horst Griesser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Horst Griesser's NPI active?
- Yes — Horst Griesser's NPI (1336158849) is active in the NPPES registry as of the last update on 2018-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.